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-rw-r--r--lisp/emulation/tpu-extras.el5
1 files changed, 4 insertions, 1 deletions
diff --git a/lisp/emulation/tpu-extras.el b/lisp/emulation/tpu-extras.el
index 53f617d8821..521b189e3bc 100644
--- a/lisp/emulation/tpu-extras.el
+++ b/lisp/emulation/tpu-extras.el
@@ -132,7 +132,10 @@ the previous line when starting from a line beginning."
;;;###autoload
(define-minor-mode tpu-cursor-free-mode
- "Minor mode to allow the cursor to move freely about the screen."
+ "Minor mode to allow the cursor to move freely about the screen.
+With a prefix argument ARG, enable the mode if ARG is positive,
+and disable it otherwise. If called from Lisp, enable the mode
+if ARG is omitted or nil."
:init-value nil
(if (not tpu-cursor-free-mode)
(tpu-trim-line-ends))